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Diodes Incorporated BZX84C16T-7-F
- Part No.:
- BZX84C16T-7-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- SOT-523
- Datasheet:
-
BZX84C16T-7-F.pdf
- Description:
- DIODE ZENER 16V 150MW SOT523
- Quantity:
- Payment:
- Shipping:
Inventory:8,648
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Product details
Overview
BZX84C16T-7-F from Diodes Incorporated is a 16 V, 150 mW surface-mount Zener diode in SOT-523 package, with nominal zener voltage 16 V (min 15.3 V, max 17.1 V), test current 5.0 mA, and zener impedance 40 Ω at IZT, used for precision voltage regulation and reference in low-power analog circuits.
For engineers reviewing the BZX84C16T-7-F datasheet, BZX84C16T-7-F pinout, BZX84C16T-7-F application, or BZX84C16T-7-F equivalent, key selection criteria include zener voltage tolerance, dynamic impedance at 5 mA, power derating above 25°C, thermal resistance (833 °C/W), and RoHS-compliant matte tin plating on Alloy 42 leadframe.
Technical Context
This Zener diode operates in reverse breakdown mode to maintain stable voltage across its terminals under varying load or supply conditions. It uses planar die construction for consistent parametric performance and low leakage, with specified reverse current ≤0.1 µA at 11.2 V.
Its thermal design relies on FR-4 PCB mounting with recommended pad layout (AP02001), delivering 833 °C/W junction-to-ambient thermal resistance. Power dissipation is derated linearly above 25°C per Figure 1, reaching zero at 150°C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 16 V nominal, 15.3–17.1 V range at 5 mA - defines regulated output voltage tolerance in reference designs |
| Power Dissipation (PD) | 150 mW at TA = 25°C - sets maximum continuous DC power handling before thermal shutdown |
| Zener Impedance (ZZT) | 40 Ω at IZT = 5 mA - determines AC ripple rejection and regulation sensitivity to current variation |
| Reverse Current (IR) | ≤0.1 µA at VR = 11.2 V - ensures minimal leakage in high-impedance bias networks |
| Thermal Resistance (RθJA) | 833 °C/W - quantifies temperature rise per watt on standard FR-4 layout; requires derating above 25°C |
| Temperature Coefficient | +10.4 to +14.0 mV/°C - indicates positive drift of VZ with temperature, critical for temp-stable references |
Pinout & Package
Package: SOT-523 - ultra-small plastic surface-mount case (1.60 mm × 0.80 mm × 0.50 mm), UL 94V-0 rated, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / cathode reference node in reverse-bias operation | Connected to lower-potential side of regulated circuit; polarity must match schematic symbol orientation |
| Cathode | Zener breakdown terminal / voltage reference output | Connected to higher-potential side; provides stable 16 V reference when reverse-biased at ≥5 mA |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-small SOT-523 footprint | Enables high-density PCB layouts in space-constrained portable and wearable electronics |
| Planar die construction | Delivers tight VZ distribution and repeatable ZZT across production lots |
| Lead-free, RoHS-compliant plating | Matte tin finish over Alloy 42 leadframe meets global environmental compliance requirements |
| Low leakage (≤0.1 µA) | Minimizes error in high-impedance voltage divider and sensor bias networks |
Applications
| Power Supply Reference | Sensor Biasing |
|---|---|
Use Scenario: Providing stable 16 V reference for op-amp feedback networks in low-noise LDOs. IC Role / Device Role / Timing Role: Voltage reference element defining output regulation setpoint. Use Value: Tight 15.3–17.1 V tolerance and 40 Ω ZZT ensure <±1% output accuracy under 1–10 mA load variation. | Use Scenario: Biasing bridge-based pressure sensors requiring precise excitation voltage. IC Role / Device Role / Timing Role: Stable DC excitation source replacing higher-cost precision references. Use Value: ≤0.1 µA reverse leakage prevents signal offset drift in microamp-level sensor interfaces. |
| Overvoltage Clamp | ADC Input Protection |
Use Scenario: Clamping transient surges on 15 V rail inputs in industrial I/O modules. IC Role / Device Role / Timing Role: Shunt protection device limiting voltage excursion during ESD or inductive kick. Use Value: 16 V breakdown threshold engages before downstream 16.5 V-rated ICs sustain damage. | Use Scenario: Protecting SAR ADC input pins from accidental overvoltage during field servicing. IC Role / Device Role / Timing Role: Front-end voltage limiter preventing latch-up or gate oxide rupture. Use Value: Fast response to reverse transients (<10 ns) and low capacitance (<2 pF typical) preserve signal integrity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMBZ5245B-7-F | Zener voltage 16 V (15.2–16.8 V), PD = 350 mW, SOT-23 package, RθJA = 357 °C/W | Higher power rating supports 2× current but requires larger board area | Select when >150 mW dissipation or improved thermal margin is required |
| BZX84-C16 | Same electrical specs, but in legacy SOT-23 package (not SOT-523); marking code "P5" identical | Larger footprint incompatible with ultra-dense layouts optimized for SOT-523 | Select only if SOT-23 rework infrastructure exists and board space permits |
Compared with MMBZ5245B-7-F and BZX84-C16, BZX84C16T-7-F uniquely balances ultra-compact size, 150 mW capability, and industry-standard SOT-523 compatibility-making it optimal for miniaturized battery-powered systems where thermal mass is limited and board area is premium.
Availability
BZX84C16T-7-F is available at Aetrix Electronics and suitable for voltage reference, sensor biasing, overvoltage clamping, and ADC input protection requiring stable component supply across consumer, industrial, and automotive electronics programs.
Supply support for BZX84C16T-7-F includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, serving industrial, computing, communications, and consumer markets with high-reliability components.
The BZX84 series belongs to Diodes' precision Zener diode product line, engineered specifically for compact, low-power voltage regulation and reference applications in space-constrained PCBs.
FAQ
What is the maximum reverse voltage this Zener can withstand before breakdown?
The BZX84C16T-7-F has a nominal zener voltage of 16 V, with guaranteed breakdown occurring between 15.3 V and 17.1 V at 5 mA test current. It is not rated for sustained reverse voltage above 17.1 V without entering uncontrolled conduction or risking thermal runaway.
Can this device be used in place of a 15 V Zener diode?
No-BZX84C16T-7-F is specifically a 16 V device with 15.3–17.1 V tolerance. Substituting it for a 15 V Zener (e.g., BZX84C15T) introduces a systematic +1 V offset, potentially violating regulation margins in feedback loops or exceeding absolute maximum ratings of downstream components.
Is the SOT-523 package compatible with standard SOT-23 pick-and-place equipment?
While SOT-523 shares pin geometry with SOT-23, its smaller body (1.60 × 0.80 mm vs. 2.9 × 1.3 mm) requires dedicated nozzle calibration and vision system adjustment. Standard SOT-23 feeders and placement programs will not reliably handle SOT-523 without hardware and software reconfiguration.
Does this Zener diode exhibit significant capacitance that could affect high-frequency circuits?
Yes-typical total capacitance is <2 pF at 0 V bias (per Figure 4 trend), rising slightly near breakdown. This low value makes it suitable for DC and low-frequency (<1 MHz) regulation, but unsuitable for RF bypass or high-speed clamping where sub-picofarad parasitics are required.
BZX84C16T-7-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOT-523
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 16 V
- Tolerance:
- ±5.56%
- Power - Max:
- 150 mW
- Impedance (Max) (Zzt):
- 40 Ohms
- Current - Reverse Leakage @ Vr:
- 100 nA @ 11.2 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -65°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-523
BZX84C16T-7-F FAQ
1.How can I place an order for BZX84C16T-7-F through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX84C16T-7-F on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for BZX84C16T-7-F reliable?
The price and inventory of BZX84C16T-7-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX84C16T-7-F is usually 5 days.
3.What payment methods are accepted for BZX84C16T-7-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX84C16T-7-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX84C16T-7-F?
BZX84C16T-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX84C16T-7-F order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for BZX84C16T-7-F?
For technical support, including BZX84C16T-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX84C16T-7-F requirements.
6.How does Aetrix verify that BZX84C16T-7-F is sourced from the original manufacturer or authorized distributors?
All BZX84C16T-7-F products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that BZX84C16T-7-F meets industry standards.
7.What is the process for return or replacement of BZX84C16T-7-F?
All BZX84C16T-7-F units undergo pre-shipment inspection (PSI). If there is an issue with BZX84C16T-7-F, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The BZX84C16T-7-F part is unused and in its original packaging.
Return procedure for BZX84C16T-7-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZX84C16T-7-F Tags
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